Learning Resources Giant Magnetic Cuisenaire Rods Demonstration Set. Encourage early learners to get hands-on with a range of maths skills with this Giant Magnetic Cuisenaire Rods Demonstration Set! This oversized colourful set is ideal for reinforcing a variety of numeracy skills including addition, subtraction, fractions and statistics. Front of class set includes 64 colour coordinated Cuisenaire pieces – 20 white (shortest), 12 red and 4 each of light green, purple, yellow, dark green, black, brown, blue and orange (longest). Wipe-clean pieces can be labelled with wet- or dry- marker Largest piece measures 25cm L x 2.5cm W. Suitable for ages 5+.